The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 01, 1981
Filed:
Sep. 18, 1978
Applicant:
Inventors:
Arthur L Baron, New Martinsville, WV (US);
Parameswar Sivaramakrishnan, New Martinsville, WV (US);
Assignee:
Mobay Chemical Corporation, Pittsburgh, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C08G / ;
U.S. Cl.
CPC ...
528171 ; 528 85 ; 528173 ; 528174 ; 528175 ; 568 33 ;
Abstract
The present invention relates to the novel monomers generically identified as bis(4-hydroxyphenyl sulfonylphenyl) biphenyl disulfones, to a process for their production and to their use in the preparation of polycarbonates, polyurethanes, polyesters, polysulfones and polyethers.